Include a ASN1 json representation for RRC enb events.

lib/include/srsran/common/enb_events.h

@@ -31,7 +31,8 @@ public:
 
   /// Logs into the underlying log channel any RRC event.
   virtual void log_rrc_event(uint32_t           enb_cc_idx,
-                             const std::string& asn1,
+                             const std::string& asn1_oct_str,
+                             const std::string& asn1_txt_str,
                              unsigned           type,
                              unsigned           additional_info,
                              uint16_t           rnti) = 0;

lib/src/common/enb_events.cc

@@ -23,7 +23,8 @@ class null_event_logger : public event_logger_interface
 {
 public:
   void log_rrc_event(uint32_t           enb_cc_idx,
-                     const std::string& asn1,
+                     const std::string& asn1_oct_str,
+                     const std::string& asn1_txt_str,
                      unsigned           type,
                      unsigned           additional_info,
                      uint16_t           rnti) override
@@ -58,6 +59,7 @@ DECLARE_METRIC("rnti", metric_rnti, uint16_t, "");
 /// ASN1 message metrics.
 DECLARE_METRIC("asn1_length", metric_asn1_length, uint32_t, "");
 DECLARE_METRIC("asn1_message", metric_asn1_message, std::string, "");
+DECLARE_METRIC("asn1_message_txt", metric_asn1_message_txt, std::string, ""); //: TODO:
 
 /// Context for sector start/stop.
 DECLARE_METRIC("pci", metric_pci, uint32_t, "");
@@ -75,6 +77,7 @@ DECLARE_METRIC_SET("event_data",
                    metric_rnti,
                    metric_asn1_length,
                    metric_asn1_message,
+                   metric_asn1_message_txt,
                    metric_asn1_type,
                    metric_additional);
 using rrc_event_t = srslog::
@@ -107,7 +110,8 @@ public:
   explicit logging_event_logger(srslog::log_channel& c) : event_channel(c) {}
 
   void log_rrc_event(uint32_t           enb_cc_idx,
-                     const std::string& asn1,
+                     const std::string& asn1_oct_str,
+                     const std::string& asn1_txt_str,
                      unsigned           type,
                      unsigned           additional_info,
                      uint16_t           rnti) override
@@ -119,8 +123,9 @@ public:
     ctx.write<metric_sector_id>(enb_cc_idx);
     ctx.write<metric_event_name>("rrc_log");
     ctx.get<mset_rrc_event>().write<metric_rnti>(rnti);
-    ctx.get<mset_rrc_event>().write<metric_asn1_length>(asn1.size());
+    ctx.get<mset_rrc_event>().write<metric_asn1_length>(asn1_oct_str.size());
-    ctx.get<mset_rrc_event>().write<metric_asn1_message>(asn1);
+    ctx.get<mset_rrc_event>().write<metric_asn1_message>(asn1_oct_str);
+    ctx.get<mset_rrc_event>().write<metric_asn1_message_txt>(asn1_txt_str);
     ctx.get<mset_rrc_event>().write<metric_asn1_type>(type);
     ctx.get<mset_rrc_event>().write<metric_additional>(additional_info);
     event_channel(ctx);

srsenb/src/stack/rrc/rrc_mobility.cc

@@ -700,8 +700,11 @@ void rrc::ue::rrc_mobility::s1_source_ho_st::handle_ho_cmd(wait_ho_cmd& s, const
   }
 
   // Log rrc release event.
+  asn1::json_writer json_writer;
+  dl_dcch_msg.to_json(json_writer);
   event_logger::get().log_rrc_event(rrc_ue->ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     octet_str,
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_reconf),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rrc_ue->rnti);

srsenb/src/stack/rrc/rrc_ue.cc

@@ -412,8 +412,11 @@ std::string rrc::ue::to_string(const activity_timeout_type_t& type)
 void rrc::ue::handle_rrc_con_req(rrc_conn_request_s* msg)
 {
   // Log event.
+  asn1::json_writer json_writer;
+  msg->to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     asn1::octstring_to_string(last_ul_msg->msg, last_ul_msg->N_bytes),
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_request),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rnti);
@@ -477,8 +480,11 @@ void rrc::ue::send_connection_setup()
   send_dl_ccch(&dl_ccch_msg, &octet_str);
 
   // Log event.
+  asn1::json_writer json_writer;
+  dl_ccch_msg.to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     octet_str,
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_setup),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rnti);
@@ -489,8 +495,11 @@ void rrc::ue::send_connection_setup()
 void rrc::ue::handle_rrc_con_setup_complete(rrc_conn_setup_complete_s* msg, srsran::unique_byte_buffer_t pdu)
 {
   // Log event.
+  asn1::json_writer json_writer;
+  msg->to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     asn1::octstring_to_string(last_ul_msg->msg, last_ul_msg->N_bytes),
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_setup_complete),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rnti);
@@ -542,8 +551,11 @@ void rrc::ue::send_connection_reject(procedure_result_code cause)
   send_dl_ccch(&dl_ccch_msg, &octet_str);
 
   // Log event.
+  asn1::json_writer json_writer;
+  dl_ccch_msg.to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     octet_str,
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_reject),
                                     static_cast<unsigned>(cause),
                                     rnti);
@@ -555,8 +567,11 @@ void rrc::ue::send_connection_reject(procedure_result_code cause)
 void rrc::ue::handle_rrc_con_reest_req(rrc_conn_reest_request_s* msg)
 {
   // Log event.
+  asn1::json_writer json_writer;
+  msg->to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     asn1::octstring_to_string(last_ul_msg->msg, last_ul_msg->N_bytes),
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_reest_req),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rnti);
@@ -689,8 +704,11 @@ void rrc::ue::send_connection_reest(uint8_t ncc)
   apply_rr_cfg_ded_diff(current_ue_cfg.rr_cfg, rr_cfg);
 
   // Log event.
+  asn1::json_writer json_writer;
+  dl_ccch_msg.to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     octet_str,
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_reest),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rnti);
@@ -699,8 +717,11 @@ void rrc::ue::send_connection_reest(uint8_t ncc)
 void rrc::ue::handle_rrc_con_reest_complete(rrc_conn_reest_complete_s* msg, srsran::unique_byte_buffer_t pdu)
 {
   // Log event.
+  asn1::json_writer json_writer;
+  msg->to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     asn1::octstring_to_string(last_ul_msg->msg, last_ul_msg->N_bytes),
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_reest_complete),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rnti);
@@ -740,8 +761,11 @@ void rrc::ue::send_connection_reest_rej(procedure_result_code cause)
   send_dl_ccch(&dl_ccch_msg, &octet_str);
 
   // Log event.
+  asn1::json_writer json_writer;
+  dl_ccch_msg.to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     octet_str,
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_reest_reject),
                                     static_cast<unsigned>(cause),
                                     rnti);
@@ -816,8 +840,11 @@ void rrc::ue::send_connection_reconf(srsran::unique_byte_buffer_t pdu,
   send_dl_dcch(&dl_dcch_msg, std::move(pdu), &octet_str);
 
   // Log event.
+  asn1::json_writer json_writer;
+  dl_dcch_msg.to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     octet_str,
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_reconf),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rnti);
@@ -837,8 +864,11 @@ void rrc::ue::handle_rrc_reconf_complete(rrc_conn_recfg_complete_s* msg, srsran:
   }
 
   // Log event.
+  asn1::json_writer json_writer;
+  msg->to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     asn1::octstring_to_string(last_ul_msg->msg, last_ul_msg->N_bytes),
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_reconf_complete),
                                     static_cast<unsigned>(procedure_result_code::none),
                                     rnti);
@@ -1019,8 +1049,11 @@ void rrc::ue::send_connection_release()
   send_dl_dcch(&dl_dcch_msg, nullptr, &octet_str);
 
   // Log rrc release event.
+  asn1::json_writer json_writer;
+  dl_dcch_msg.to_json(json_writer);
   event_logger::get().log_rrc_event(ue_cell_list.get_ue_cc_idx(UE_PCELL_CC_IDX)->cell_common->enb_cc_idx,
                                     octet_str,
+                                    json_writer.to_string(),
                                     static_cast<unsigned>(rrc_event_type::con_release),
                                     static_cast<unsigned>(con_release_result),
                                     rnti);